选修七-Unit3-Reading-课件

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Unit3UndertheseaTherearemanybeautifulplantsandanimalsinthesea.seastar海星Enjoysomepicturesanemone[ə‘nɛmə,nɪ]海葵jellyfish水母Coral珊瑚squidbutterflyfishseahorsedolphin海豚sealion(海狮)shark鲨鱼whale鲸鱼havenoteethbutinsteadhavebaleenplateswithwhichthewhalescanfilter(过滤)thefoodoutofthewater.Differentkindsofwhalestoothedwhale齿鲸baleenwhale须鲸KillerWhaleSpermWhaleMinkeWhaleBlueWhalekillerwhale虎鲸Killerwhales(虎鲸,杀人鲸,逆戟鲸)areoneofthetoppredators(食肉动物)inthesea.Asagroup,killerwhalesareknowntoeatfish,squid,seals,sealions,penguins,evenotherwhalesandsharks.However,normally,theywon’tharmorattackhumanbeings.killerwhaleswhalers(baleen)whaleWhatdoyouthinkishappeninginthepicture?Killerwhaleshelpwhalerscatchbaleenwhales.Pre-readingMaincharactersPlaceTimeWritingstyleCareerWriterClancyAwhalerAnecdotesAtthebeginningofthe20thcentury,atimewhen…AustraliaWhalers,killerwhalesandbaleenwhalesBackgroundInformationReadingOldTomthekillerwhaleWhalingoperatedbetweenthe1830sandthe1920sonthesoutheasterncoastofAustraliaataplacecalledEden,whereClancy’sstoriesareset.Therearemanystoriesofkillerwhalescooperatingwiththewhalerstheretocatchthebaleenwhales.OldTomwasoneofthekillerwhalesandhisskeletonisdisplayedintheKillerWhaleMuseuminEden.EdenKillerWhaleMuseumdescribesahuntingexperienceabouthowthekillerwhaleshelpedthewhalerstohuntawhale.GetthemainideasofthetwoanecdotesThefirstanecdoteThesecondanecdotetellsabouthowakillerwhalesavedJames,awhaler.FastReadingCareful-readingScanthetextandputthefollowingsentencesintoarightorder.()Georgestartedbeatingthewaterwithhisoar()Clancyjumpedintotheboatwiththewhalersandheadedoutintothebay.()Clancyarrivedatthewhalingstation()Thekillersstartedracingbetweenourboatandthewhale()Clancyheardahugenoisecomingfromthebay()Clancywassortingouthisaccommodation()Awhalewasattackedbyapackofkillers.()Themaninthebowoftheboataimedtheharpoonatthewhale65173284Killers'activitiesThepurposeofkillers’activities1.OldTom_______itselfoutofthewaterand________downagain.threwcrashed2.OldTom______bytheboatswam3.Theythrewthemselveson____ofthewhale’sblow-holetostopit__________andothersstoppedit______or_______outtoseatopbreathingfleeing4.They________thebodydownintothedepthsofthesea.draggedTotellthewhalersthere’sa_______outthereTo_____thewhalersthewaytothehuntTo__________________lips&tongueHowdidthekillershelpthewhalers?divingwhaleshowhaveagoodfeedon2.Whatotheranimalsdidtheauthorcomparethekillerwhaleswith?Whydoyouthinkthekillerwhalesbehavedlikethis?Dogs.Becausetheyknewthat,togetherwiththewhalers,theywouldsoonkillthebaleenwhaleandgetagoodfeed.3.WhydidGeorgethinkthatthekillerwhalesworkedasateam?Becausehecouldseethatsomeofthekillerswerethrowingthemselvesontopofthewhale’sblowholewhileotherswerepreventingitfromdivingorfleeingouttosea.4.Whydidthewhalersallowthekillerwhalestodragthewhaleaway?5.WhathappenedtoJamesoneday?HowdidOldTomhelpJames?Whydoyouthinkhedidthis?Becausetheyknewthekillerwhaleswouldleavetherestofthebodytothem.Oneday,Jameswaswashedofftheboat.OldTompreventedJamesfromdrowning.OldTomwantedtohelphishumanfriends.DiscussionDiscussionIngroups,describetherelationshipbetweenOldTomandthewhalers.Whatotheranimalshelpouthumansinhunting?OldTomhadastrongrelationshipwiththewhalers.Therewasobviouslyagreatdealofunderstandingandcooperationbetweenthem.Therearemanyotheranimalsthathelpouthumansinhuntingsuchasdogsandcormorants(鸬鹚).Inthepast,falcons(猎鹰)wereusedtohuntrabbits,andcheetahs(印度豹)wereusedtohuntwildanimals.DiscussionThelastwhalingstationinAustraliaclosedin1978.Whalesarenowanendangeredspeciesandinneedofconservation.Theyarenowprotectedbyaninternationalbanonwhaling.However,somecountriesopposetheban.Ingroupsdiscussthereasonsforandagainstbanningwhaling.•Homework1.Pleasereadthetextaftertheclass.2.Trytoretellthewholetext.

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